20512373995

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{3347}}^1\times {\mathrm{72101}}^1$

素因数の和:75470

約数の個数: 16

約数和(自身を含む): 26070929568

約数和(自身を除く): 5558555573

約数列:

[1, 5, 17, 85, 3347, 16735, 56899, 72101, 284495, 360505, 1225717, 6128585, 241322047, 1206610235, 4102474799, 20512373995]

約数ペア:

[(1, 20512373995), (5, 4102474799), (17, 1206610235), (85, 241322047), (3347, 6128585), (16735, 1225717), (56899, 360505), (72101, 284495)]